Kenwood NXR-700 Service Manual page 36

NXR-700
Pin No. Name I/O
4 GND -
5 D_GND -
6 SDA I/O EEPROM Data
7 D_GND -
8 SCK O EEPROM Clock
9 D_GND -
10 CONT_5.0V O Switched 5V power supply
11 D_GND -
12 TEMP_PRT I
13 GND -
14 ANT_SW O TX anntena switch output
15 GND -
16 TEMP_RST O Tempereture sensor reset signal output
17 GND -
18 FAN_CONT2 O FAN2 control signal output
19 GND -
20 FAN_CONT O FAN1 control signal output
21 GND -
22 PWR_CONT O Power control signal output
23 GND -
24 PWR_PRT O Power protection signal output
25 GND -
26 RFL_PWR I
27 GND -
28 FWD_PWR I
29 GND -
30 FAN_CURR I
31 GND -
32 PA_CURR I
33 GND -
34 NC -
35 GND -
36 GND -
CN807 (To X42-328 CN3: OCXO Optional unit)
1 8OCXO O OCXO power supply 8V
2 GND -
TX Unit (X56-3112-72) (B/3)
Pin No. Name I/O
CN920 (To X56-311 C/3 CN960)
1 DC8 O 8V Power supply
2 GND -
36
TERMINAL FUNCTION
Function
Ground
Ground
Ground
Ground
Ground
Temp protection signal input
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Refl ect power signal input
Ground
Forward power signal input
Ground
Fan current monitor signal input
Ground
PA current monitor signal input
Ground
No connection
Ground
Ground
Ground
Function
Ground
Pin No. Name I/O
3 50MPU O Switched 5V power supply
4 STB O Shift Register Strobe
5 SR_OE O Shift Register Output Enable
6 SR_CLK O Shift Register Clock
7 SR_DATA O Shift Register Data
8 LED1 O D960 segment "F" control
9 GND - Ground
10 LED10 O D961 segment "F" control
CN921 (To X53-413 CN3)
1 MIG - MIC Ground
2 GND - Ground
3 MIC O MIC Signal Input
4 33MPU I Switched 3.3V power supply
5 33AUD I Switched 3.3V power supply
6 VOLUME_IN O Volume control output for AF signal
7 SB I Power supply output
8 OCXO_ST_R I OCXO Red LED Switch
9 PWR_ST_R I POWER Red LED Switch
10 OCXO_ST_G I OCXO Green LED Switch
11 GND - Ground
12 HOOK_RXD_SCM O HOOK detect signal
13 SCM_EN - No connection
14 PTT_TXD_SCM O MIC PTT
15 GND - Ground
16 SR_OE I Shift Register Output Enable
17 GND - Ground
18 SR_CLK I Shift Register Clock
19 GND - Ground
20 SR_DATA I Shift Register Data
21 GND - Ground
22 STB1 I Shift Register Strobe
23 GND - Ground
24 K1 O Key Scan
25 K2 O Key Scan
26 K3 O Key Scan
27 K4 I Key Scan
28 K5 I Key Scan
29 DC8 I 8V Power supply
30 GND - Ground
31 50MPU I Switched 5V power supply
32 50MPU I Switched 5V power supply
33 DC8 I 8V Power supply
Function